{"id":36383,"date":"2021-05-07T00:04:56","date_gmt":"2021-05-06T16:04:56","guid":{"rendered":"https:\/\/case.ntu.edu.tw\/blog\/?p=36383"},"modified":"2021-04-12T14:20:03","modified_gmt":"2021-04-12T06:20:03","slug":"21%e4%b8%96%e7%b4%80%e5%a4%a9%e6%96%87%e6%9c%9b%e9%81%a0%e9%8f%a1%e7%b3%bb%e5%88%97%ef%bc%9a%e6%8f%ad%e9%96%8b%e6%9a%97%e8%83%bd%e9%87%8f%e4%b9%8b%e8%ac%8e%ef%bc%8cx%e5%b0%84%e7%b7%9a%e5%a4%aa","status":"publish","type":"post","link":"https:\/\/case.ntu.edu.tw\/blog\/?p=36383","title":{"rendered":"21\u4e16\u7d00\u5929\u6587\u671b\u9060\u93e1\u7cfb\u5217\uff1a\u63ed\u958b\u6697\u80fd\u91cf\u4e4b\u8b0e\uff0cX\u5c04\u7dda\u592a\u7a7a\u671b\u9060\u93e1 eROSITA"},"content":{"rendered":"

2019\u5e74\u5347\u7a7a\u7684X\u5c04\u7dda\u592a\u7a7a\u671b\u9060\u93e1 eROSITA\uff0c\u5c07\u82b1\u56db\u5e74\u7684\u6642\u9593\u5b8c\u6210\u5de1\u5929\u89c0\u6e2c\uff0c\u70ba\u4eba\u985e\u63d0\u4f9b\u5168\u65b0\u7684\u9ad8\u80fd\u96fb\u78c1\u6ce2\u5168\u5929\u5730\u5716\u3002\u5b83\u5c07\u89c0\u6e2c\u5230\u5341\u842c\u500b\u661f\u7cfb\u5718\u548c\u4e09\u767e\u842c\u500b\u6d3b\u8e8d\u661f\u7cfb\u6838\uff0c\u53ef\u4ee5\u5e6b\u52a9\u79d1\u5b78\u5bb6\u6aa2\u6e2c\u5b87\u5b99\u5b78\u6a21\u578b\u4e2d\u6697\u80fd\u91cf\u7684\u7d44\u6210\u3002<\/strong><\/span><\/p>\n

\u64b0\u6587\uff5c\u5f90\u9e97\u5a77<\/strong><\/p>\n

X<\/strong>\u5c04\u7dda\u63d0\u4f9b\u4eba\u985e\u53e6\u4e00\u7a2e\u6709\u5225\u65bc\u53ef\u898b\u5149\u7684\u8996\u91ce<\/strong><\/span><\/p>\n

X\u5c04\u7dda\u7684\u80fd\u91cf\u9060\u9ad8\u65bc\u53ef\u898b\u5149\uff0c\u5b83\u6240\u5c55\u793a\u7684\u662f\u5b87\u5b99\u4e2d\u9ad8\u6eab\u6c23\u9ad4 (\u8d85\u904e\u767e\u842c\u5ea6) \u7684\u6d3b\u52d5\u3002X \u5c04\u7dda\u7121\u6cd5\u7a7f\u900f\u5730\u7403\u5927\u6c23\u5c64\uff0c\u4e5f\u4e0d\u662f\u4eba\u773c\u53ef\u898b\u7684\u96fb\u78c1\u6ce2\uff0c\u6240\u4ee5\u79d1\u5b78\u5bb6\u5fc5\u9700\u4ef0\u8cf4\u592a\u7a7a\u671b\u9060\u93e1\u624d\u53ef\u4ee5\u70ba\u4eba\u985e\u63d0\u4f9b\u5b87\u5b99\u4e2d\u7684\u9ad8\u80fd\u96fb\u78c1\u6ce2\u8996\u91ce\uff0c\u5305\u542b\u661f\u7cfb\u5718\u3001\u9ed1\u6d1e\u3001\u4e2d\u5b50\u661f\u3001\u548c\u8d85\u65b0\u661f\u6b98\u9ab8\u3002<\/p>\n

eROSITA (extended ROentgen Survey with an Imaging Telescope Array) \u662f\u57282019\u5e747\u6708\u752b\u5347\u7a7a\u7684X\u5c04\u7dda\u592a\u7a7a\u671b\u9060\u93e1\u3002\u9019\u500b\u671b\u9060\u93e1\u662f\u7531\u5fb7\u570b-\u4fc4\u570b\u5408\u4f5c\u767c\u5c04\u7684\u592a\u7a7a\u4efb\u52d9 (Spektrum-Roentgen-Gamma mission) \u4e2d\u7684\u4e00\u500b\u91cd\u8981\u5100\u5668\u3002eROSITA\u9996\u5148\u6703\u57f7\u884c\u56db\u5e74\u7684\u5de1\u5929\u89c0\u6e2c\u8a08\u756b (all-sky survey)\uff0c\u9019\u500b\u8a08\u756b\u5c07\u80fd\u70ba\u79d1\u5b78\u5bb6\u63d0\u4f9b\u9996\u6b21\u7684\u9ad8\u80fdX\u5c04\u7dda (2-10 keV) \u5168\u5929\u5730\u5716\u3002\u63a5\u4e0b\u4f86eROSITA\u9084\u6703\u518d\u9032\u884c3\u5e74\u534a\u7684\u5c0f\u5929\u5340\u5b9a\u9ede\u89c0\u6e2c (pointed observations)\u3002<\/p>\n

\u89e3\u958b\u6697\u80fd\u91cf\u4e4b\u8b0e\u662f\u4e86\u89e3\u5b87\u5b99\u5f62\u6210\u7684\u95dc\u9375<\/strong><\/span><\/p>\n

eROSITA\u6700\u4e3b\u8981\u7684\u79d1\u5b78\u76ee\u6a19\uff0c\u662f\u7814\u7a76\u5b87\u5b99\u4e2d\u6697\u80fd\u91cf (Dark Energy) \u7684\u7d44\u6210\u3002 \u672a\u4f86eROSITA\u671f\u671b\u9054\u6210\u7684\u89c0\u6e2c\u76ee\u6a19\u662f\uff1a<\/p>\n

1.\u5341\u842c\u500b\u661f\u7cfb\u5718 (galaxy clusters)\u3002\u661f\u7cfb\u5718\u662f\u5b87\u5b99\u4e2d\u6700\u5de8\u5927\u7684\u91cd\u529b\u584c\u7e2e\u5929\u9ad4\uff0c\u5b83\u5011\u5728\u5b87\u5b99\u4e2d\u7684\u5f62\u6210\u3001\u6f14\u5316\u3001\u548c\u5927\u5c3a\u5ea6\u7684\u5bc6\u5ea6\u5206\u4f48\uff0c\u8207\u6697\u7269\u8cea\u548c\u6697\u80fd\u91cf\u6709\u5bc6\u5207\u7684\u95dc\u4fc2\u3002\u900f\u904e\u661f\u7cfb\u5718\u7684X \u5c04\u7dda\u89c0\u6e2c\u7d50\u679c\uff0c\u79d1\u5b78\u5bb6\u53ef\u4ee5\u7814\u7a76\u5b87\u5b99\u5927\u5c3a\u5ea6\u7d50\u69cb\uff0c\u4e26\u4e14\u6aa2\u6e2c\u5b87\u5b99\u5b78\u6a21\u578b\u4e2d\u6697\u80fd\u91cf\u7684\u7d44\u6210\u3002<\/p>\n

2.\u4e09\u767e\u842c\u500b\u6d3b\u8e8d\u661f\u7cfb\u6838 (Active Galactic Nuclei)\u3002\u6d3b\u8e8d\u661f\u7cfb\u6838\u4e2d\u592e\u6709\u4e00\u500b\u8d85\u5de8\u5927\u8cea\u91cf\u9ed1\u6d1e (\u8cea\u91cf\u662f\u592a\u967d\u7684\u767e\u842c\u500d\u4ee5\u4e0a)\uff0c \u6703\u767c\u51fa\u975e\u5e38\u5f37\u5927\u7684\u80fd\u91cf (\u592a\u967d\u7684\u5343\u842c\u500d\u4ee5\u4e0a)\u3002\u800c\u7814\u7a76\u9019\u7a2e\u8d85\u5de8\u5927\u9ed1\u6d1e\u7684\u6f14\u5316\uff0c\u53ef\u4ee5\u70ba\u79d1\u5b78\u5bb6\u5728\u5b87\u5b99\u5927\u5c3a\u5ea6\u7d50\u69cb\u7684\u7814\u7a76\u4e0a\u63d0\u4f9b\u6709\u7528\u7684\u7dda\u7d22\u3002<\/p>\n

3.\u5927\u91cf\u89c0\u6e2c\u9280\u6cb3\u661f\u7cfb\u5167\u7684X\u5c04\u7dda\u5929\u9ad4\uff0c\u53ef\u4ee5\u5e6b\u52a9\u79d1\u5b78\u5bb6\u66f4\u4e86\u89e3\u5404\u7a2e\u9ad8\u80fd\u5929\u6587\u7269\u7406\u73fe\u8c61\uff0c\u50cf\u662fX\u5c04\u7dda\u96d9\u661f (X-ray binaries) \u548c\u8d85\u65b0\u661f\u6b98\u9ab8(supernova remnants)\u3002<\/p>\n

eROSITA\u57282019\u5e7410\u6708\u6355\u6349\u5230\u4e86\u7684\u5b83\u7684\u7b2c\u4e00\u9053\u5149\uff0c\u662f\u4f86\u81ea\u65bc\u6211\u5011\u9280\u6cb3\u7cfb\u7684\u9130\u5c45\u5927\u9ea5\u54f2\u502b\u661f\u96f2 (Large Magellanic Cloud)\u3002\u7814\u7a76\u4eba\u54e1\u4e0d\u4f46\u5728\u524d\u666f\u4e2d\u770b\u5230\u4e86\u9280\u6cb3\u7cfb\u5167\u7684\u6d3b\u8e8d\u6046\u661f\uff0c\u4e5f\u5728\u80cc\u666f\u4e2d\u770b\u5230\u4e86\u904e\u53bb\u4e0d\u66fe\u770b\u5230\u7684\u9059\u9060\u6d3b\u8e8d\u661f\u7cfb\u6838\u3002\u9664\u6b64\u4e4b\u5916\uff0c\u79d1\u5b78\u5bb6\u4e5f\u89c0\u6e2c\u5230\u5169\u500b\u6b63\u5728\u4ea4\u4e92\u4f5c\u7528\u7684\u9059\u9060\u661f\u7cfb\u5718A3391 \u548c A3395\u3002\u9019\u500b\u661f\u7cfb\u5718\u4ea4\u4e92\u7cfb\u7d71\u8ddd\u96e2\u6211\u50118\u5104\u5149\u5e74\u3002\u5f9eX\u5c04\u7dda\u7684\u5f71\u50cf\u4e2d\u53ef\u4ee5\u6e05\u695a\u770b\u5230\u5169\u500b\u661f\u7cfb\u5718\u4e4b\u9593\u76f8\u4e92\u4f5c\u7528\u7684\u9ad8\u6eab\u6c23\u9ad4\u6a4b\u6a11\uff0c\u79d1\u5b78\u5bb6\u53ef\u4ee5\u85c9\u6b64\u7814\u7a76\u5927\u5c3a\u5ea6\u7d50\u69cb\u5f62\u6210\u7684\u52d5\u529b\u904e\u7a0b\u3002<\/p>\n

eROSITA<\/strong>\u9280\u6cb3\u7cfb\u7684\u9280\u6688\u4e2d\u767c\u73fe\u4e86\u5de8\u5927\u6c23\u6ce1 <\/strong><\/span><\/p>\n

\u5728eROSITA\u7684\u7b2c\u4e00\u6b21\u5de1\u5929\u89c0\u6e2c\u4e2d\uff0c\u79d1\u5b78\u5bb6\u767c\u73fe\u9280\u6cb3\u7cfb\u4e2d\u6709\u4e00\u500b\u5927\u578b\u6c99\u6f0f\u72c0\u7684\u7d50\u69cb\uff0c\u7a31\u4e4b\u70ba\u300ceROSITA Bubbles\u300d\u3002\u9019\u500b\u300c\u6c23\u6ce1\u300d\u8207\u4e4b\u524d\u7531\u8cbb\u7c73\u4f3d\u746a\u5c04\u7dda\u671b\u9060\u93e1\u6240\u767c\u73fe\u7684\u300c\u8cbb\u7c73\u6c23\u6ce1 (Fermi Bubbles)\u300d\u4f4d\u7f6e\u5341\u5206\u985e\u4f3c\uff0c\u4f46\u662f\u5c3a\u5ea6\u6bd4\u8cbb\u7c73\u6c23\u6ce1\u5de8\u5927\u8a31\u591a\u3002\u9019\u500b\u6c23\u6ce1\u88e1\u7684\u9ad8\u6eab\u6c23\u9ad4 (\u8d85\u904e\u767e\u842c\u5ea6) \uff0c\u5411\u9280\u6cb3\u7cfb\u76e4\u9762\u4e0a\u4e0b\u5169\u500b\u65b9\u5411\u5ef6\u5c55\u9577\u9054\u7d045\u842c\u5149\u5e74\u7684\u5927\u5c0f\uff0c\u5e7e\u4e4e\u76e4\u64da\u4e86\u6574\u500b\u9280\u6cb3\u7cfb\u3002<\/p>\n

\u800c\u5de8\u5927\u6c23\u6ce1\u5f62\u6210\u7684\u6210\u56e0\uff0c\u76ee\u524d\u6709\u5169\u7a2e\u5047\u8a2d\uff1a\u4e00\u500b\u53ef\u80fd\u662f\u904e\u53bb\u9280\u6cb3\u7cfb\u4e2d\u5fc3\u6709\u904e\u5287\u70c8\u7684\u6d3b\u8e8d\u661f\u7cfb\u6838\u6d3b\u52d5\uff0c\u73fe\u5728\u9280\u6cb3\u7cfb\u6c89\u975c\u4e0b\u4f86\u4e86\uff0c\u800c\u6c23\u6ce1\u5247\u662f\u904e\u53bb\u661f\u7cfb\u4e2d\u5fc3\u6fc0\u70c8\u6d3b\u52d5\u7684\u907a\u8de1\u3002\u53e6\u4e00\u500b\u5047\u8a2d\u662f\uff0c\u9280\u6cb3\u7cfb\u4e2d\u5fc3\u53ef\u80fd\u670910\u842c\u9846\u8d85\u65b0\u661f\u7206\u70b8, \u624d\u6709\u53ef\u80fd\u9020\u6210\u9019\u9ebc\u5de8\u5927\u7684\u6c23\u6ce1\u3002<\/p>\n

\"\"
\u9280\u6cb3\u7cfb\u76e4\u9762\u4e0a\u4e0b\u5169\u500b\u7531\u9ad8\u6eab\u6c23\u9ad4\u69cb\u6210\u7684\u5de8\u5927\u6c23\u6ce1 (\u7d05\u8272\u4ee3\u8868\u80fd\u91cf0.3-0.6 keV\uff0c\u7da0\u8272\u4ee3\u88680.6-1.0 keV\uff0c\u85cd\u8272\u4ee3\u88681.0-2.3 keV)\u3002Image by JohannesBuchner - Own work, CC BY-SA 4.0<\/figcaption><\/figure>\n

 <\/strong><\/p>\n

eROSITA \u57282020\u5e746\u6708\u5b8c\u6210\u4e86\u7b2c\u4e00\u6b21\u5de1\u5929\u89c0\u6e2c\uff0c\u76ee\u524d\u6b63\u5728\u9032\u884c\u7b2c\u4e8c\u6b21\u5de1\u5929\u89c0\u6e2c\u3002\u79d1\u5b78\u5bb6\u5728\u521d\u90e8\u7684\u89c0\u6e2c\u7d50\u679c\u4e2d\uff0c\u5075\u6e2c\u5230\u8d85\u904e\u767e\u842c\u500bX\u5c04\u7dda\u5929\u9ad4\uff0c\u9019\u500b\u6578\u91cf\u76f8\u7576\u65bc\u904e\u53bb60\u5e74\u4f86\u89c0\u6e2c\u5230\u7684X\u5c04\u7dda\u5929\u9ad4\u7684\u7e3d\u6578\u3002\u5728\u9019\u767e\u842c\u500bX\u5c04\u7dda\u5929\u9ad4\u4e2d\uff0c\u6709\u5927\u7d0480%\u662f\u6d3b\u8e8d\u661f\u7cfb\u6838\uff0c\u670920%\u662f\u6211\u5011\u9280\u6cb3\u7cfb\u5167\u65e5\u5195\u6d3b\u52d5\u5287\u70c8\u7684\u6046\u661f\u3002\u672a\u4f86eROSITA\u79d1\u5b78\u5718\u968a\u5c07\u6301\u7e8c\u66f4\u65b0\u89c0\u6e2c\u8cc7\u6599\u3002<\/p>\n

 <\/p>\n

 <\/p>\n

\u53c3\u8003\u8cc7\u6599\uff1a<\/strong><\/p>\n

    \n
  1. https:\/\/www.mpe.mpg.de\/eROSITA<\/a><\/li>\n
  2. X-ray scout sees first light<\/a><\/li>\n
  3. eROSITA finds large-scale bubbles in the halo of the Milky Way<\/a><\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"

    2019\u5e74\u5347\u7a7a\u7684X\u5c04\u7dda\u592a\u7a7a\u671b\u9060\u93e1 eROSITA\uff0c\u5c07\u82b1\u56db\u5e74\u7684\u6642\u9593\u5b8c\u6210\u5de1\u5929\u89c0\u6e2c\uff0c\u70ba\u4eba\u985e\u63d0\u4f9b\u5168\u65b0\u7684\u9ad8\u80fd\u96fb\u78c1\u6ce2\u5168\u5929\u5730\u5716\u3002\u5b83\u5c07\u89c0\u6e2c\u5230\u5341\u842c\u500b\u661f\u7cfb\u5718\u548c\u4e09\u767e\u842c\u500b\u6d3b\u8e8d\u661f\u7cfb\u6838\uff0c\u53ef\u4ee5\u5e6b\u52a9\u79d1\u5b78\u5bb6\u6aa2\u6e2c\u5b87\u5b99\u5b78\u6a21\u578b\u4e2d\u6697\u80fd\u91cf\u7684\u7d44\u6210\u3002<\/p>\n","protected":false},"author":20,"featured_media":36386,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1022,3293],"tags":[4859,2199,4860],"aioseo_notices":[],"jetpack_featured_media_url":"https:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2021\/04\/SRG-eROSITA_all-sky_image.jpg","_links":{"self":[{"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/posts\/36383"}],"collection":[{"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/users\/20"}],"replies":[{"embeddable":true,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=36383"}],"version-history":[{"count":1,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/posts\/36383\/revisions"}],"predecessor-version":[{"id":36387,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/posts\/36383\/revisions\/36387"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/media\/36386"}],"wp:attachment":[{"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=36383"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=36383"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=36383"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}